ee.sharif.edu/~dip. E. Fatemizadeh, Sharif University of Technology, 2012. 1.
Digital Image Processing. Introduction. Digital Image Processing (DIP). 25-157.
Digital Image Processing
ee.sharif.edu/~dip
Introduction
Digital Image Processing (DIP) 25-157 Lecturer: E. Fatemizadeh
1 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Course Information: – Type: Graduated – Credits: 3 – Prerequisites: Digital Signal Processing (25155) • Convolution • DFT/FFT • Filtering
2 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Reference(s): – Digital Image Processing*, by: R. C. Gonzalez and R. E. Woods, 3rd Ed., 2008, Prentice Hall. – Fundamentals of Digital Image Processing, by: A. K. Jain, 1989, Prentice Hall. – The Image Processing Handbook, by: J. C. Russ, 4th Edition, 2002, CRC Press.
3 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Evaluation: – – – –
Middle: 40% Final: 40% Homework: 10% (Paper and Compute Based) Research Project: 10% • In depth paper (one) study (Simulation and Judgment) • Experiments on real data
4 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction • Journals: – – – – – – – – – – –
IEEE Trans. on Image Processing IEEE Trans. on Medical Imaging Signal Processing, Image Communication (Elsevier Science) IEEE Trans. on Visualization and Computer Graphics IEEE Trans. on Pattern Analysis and Machine Intelligence Pattern Recognition, (Pergamon-Elsevier) Pattern Recognition Letters ( Elsevier) IEEE Trans. on Biomedical Engineering IEEE Trans. on Information Technology in Biomedicine IEEE Trans. on Signal Processing Signal Processing (Elsevier Science) 5
E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Course Contacts and Links: – URL: http:/ee.sharif.edu/~dip • Course Lecture Notes – Course Email:
[email protected] – Electronic Homework submission (NOT .rar)! – Submission rule: • Subject: DIPn:stdnum – My email: fatemizadeh@{sharif.edu, gmail.com} 6 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Digital Image Processing: – First Q’s: Is it a Two Dimensional Signal Processing?
– Answer: Not Exactly!
– An Images is completely different from 2D Signal. • Human Vision/Perception/Intelligibility – Quantization – Eye illusion 7 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction Eye illusion
The squares marked A and B are the same shade of gray. 8 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Digital Image Processing: – – – – – –
DSP Human Vision Other forms of mathematics (i.e. Morphology) Art Heuristic Inference Pattern Recognition
9 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Old and Historical Digital Images
10 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Our General Definition of image: – A physical property(ies) of an object. • Not necessarily visible.
• Main Physical Property: – Electromagnetic Radiation: • From Radio Waves to Cosmic rays
• A categorization: – Single Channel – Multi Channels 11 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Electromagnetic Spectrum:
12 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Some Physical Properties (Gamma Ray):
Bone Scan
Cygnus Loop
PET
Gamma Radiation from reactor valve 13
E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Some Physical Properties (X-Ray): Chest X-Ray Circuit Board Angiography
CT
Cygnus Loop 14
E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Some Physical Properties (Ultraviolet):
Normal Corn
Smut Corn
UV imaging
Cygnus Loop 15
E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Microscopy (Visible Light): Cholesterol
Taxon (Anti cancer)
Microprocessor
Nickel Oxide Thin Film
Superconductor
E. Fatemizadeh, Sharif University of Technology, 2012
CD Surface
16
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• A Sample of Multi Channels imaging: – Satellite imaging (NASA LANDSAT)
17 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• A Sample of Multi Channels imaging: – Satellite imaging
18 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Multispectral image of Hurricane Andrew:
19 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Geographical infrared images (1):
20 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Geographical infrared images (2):
21 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Visual Spectrum: – Inspection
22 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Visual Spectrum: – Biometrics – OCR
23 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Radar Image of Mountain (Microwave Band):
24 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Magnetic Resonance Imaging – MRI (RF):
25 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Multichannel Pulsar Images: – Gamma, X-Ray, Optical, Infrared, and Radio
26 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Ultrasonic Images (Seismic): – Oil/Gas/Water trap
27 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Ultrasonic Images (Medical): – Infants, Thyroid, Muscle
28 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Scanning Electron Microscope (SEM):
29 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Synthetic Images:
30 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• DIP applications (1): – Image Recovering: • Reconstruction and Restoration
– Image Quality Enrichment: • Enhancement and Denoising.
– Data Redundancy Reduction: • Image Compression (tiff, jpg, png, jp2, …)
– Automatic Detection and Recognition: • OCR, Medical/Industrial CAD, …
– Authentication: • Face, Signature, Fingerprint, Palm, Gesture, Retina Iris. 31 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• DIP applications (2): – Machine Vision – Machine Recognition/Verification
32 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Fundamental Steps in Image Processing:
33 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• Components of an Image Processing System:
34 E. Fatemizadeh, Sharif University of Technology, 2012
Digital Image Processing
ee.sharif.edu/~dip
Introduction
• An Example of Image Processing Results:
35 E. Fatemizadeh, Sharif University of Technology, 2012